EFM32LG995F256 Energy Micro, EFM32LG995F256 Datasheet - Page 68

• Manufacturer Part Number: EFM32LG995F256
• Description: ARM Microcontrollers - MCU 256KB FL 32KB RAM
• Manufacturer: Energy Micro

Specifications of EFM32LG995F256

• Rohs: yes
• Core: ARM Cortex M3
• Processor Series: Leopard Gecko (LG)
• Data Bus Width: 32 bit
• Maximum Clock Frequency: 48 MHz
• Program Memory Size: 256 KB
• Data Ram Size: 32 KB
• On-chip Adc: Yes
• Operating Supply Voltage: 1.85 V to 3.8 V
• Operating Temperature Range: - 40 C to + 85 C
• Package / Case: BGA-120
• Mounting Style: SMD/SMT
• A/d Bit Size: 12 bit
• Interface Type: I2C, SPI, USB, UART
• Number Of Programmable I/os: 93
• Program Memory Type: Flash

2012-09-11 - EFM32LG995FXX - d0124_Rev1.00
Table of Contents
1. Ordering Information .................................................................................................................................. 2
2. System Summary ...................................................................................................................................... 3
3. Electrical Characteristics ........................................................................................................................... 10
4. Pinout and Package ................................................................................................................................. 46
5. PCB Layout and Soldering ........................................................................................................................ 61
6. Chip Marking, Revision and Errata ............................................................................................................ 64
7. Revision History ...................................................................................................................................... 65
A. Disclaimer and Trademarks ....................................................................................................................... 66
B. Contact Information ................................................................................................................................. 67
2.1. System Introduction ......................................................................................................................... 3
2.2. Configuration Summary .................................................................................................................... 7
2.3. Memory Map ................................................................................................................................. 9
3.1. Test Conditions ............................................................................................................................. 10
3.2. Absolute Maximum Ratings ............................................................................................................. 10
3.3. General Operating Conditions .......................................................................................................... 10
3.4. Current Consumption ..................................................................................................................... 12
3.5. Transition between Energy Modes .................................................................................................... 13
3.6. Power Management ....................................................................................................................... 13
3.7. Flash .......................................................................................................................................... 14
3.8. General Purpose Input Output ......................................................................................................... 15
3.9. Oscillators .................................................................................................................................... 22
3.10. Analog Digital Converter (ADC) ...................................................................................................... 26
3.11. Digital Analog Converter (DAC) ...................................................................................................... 36
3.12. Operational Amplifier (OPAMP) ...................................................................................................... 37
3.13. Analog Comparator (ACMP) .......................................................................................................... 41
3.14. Voltage Comparator (VCMP) ......................................................................................................... 43
3.15. LCD .......................................................................................................................................... 44
3.16. Digital Peripherals ....................................................................................................................... 44
4.1. Pinout ......................................................................................................................................... 46
4.2. Alternate functionality pinout ............................................................................................................ 51
4.3. GPIO pinout overview .................................................................................................................... 58
4.4. Opamp pinout overview .................................................................................................................. 59
4.5. BGA120 Package .......................................................................................................................... 60
5.1. Recommended PCB Layout ............................................................................................................ 61
5.2. Soldering Information ..................................................................................................................... 63
6.1. Chip Marking ................................................................................................................................ 64
6.2. Revision ...................................................................................................................................... 64
6.3. Errata ......................................................................................................................................... 64
7.1. Revision 1.00 ............................................................................................................................... 65
7.2. Revision 0.92 ............................................................................................................................... 65
7.3. Revision 0.90 ............................................................................................................................... 65
A.1. Disclaimer ................................................................................................................................... 66
A.2. Trademark Information ................................................................................................................... 66
B.1. Energy Micro Corporate Headquarters .............................................................................................. 67
B.2. Global Contacts ............................................................................................................................ 67
Preliminary
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68
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